Plural channel priority control



PLURAI. CHANNEL PRIGRITY CONTROL 20 Sheets-Sheet 1 Filed Jan. 13, 196'? FIG.

STORAGE CHANNELS April 9, 1968 w. P. WISSICK ET AL 3,377,579

PLURAL CHANNEL I'RlORITY CONTROL Filed Jan. 13, 1967 20 Sheets-Sheet 5 lumen FIG. 3d

FIG. 4b

NUT L OI; N L 8 LCH 1S IMPLICU April 9, 1968 w. P. WISSICK ET AL 3,377,579

PLUHAL CHANNEL PRIORITY CONTROL Filed Jan. 13, 1967 20 Sheets-Sheet 4 FIG. 6b

April 9, 1968 w. P. WISSICK ET AL 3,377,579

ZLUHAL CHANNEL PRIORITY CONTROL 2O Sheets-Sheet 9 Filed Jan. 13, 1967 BFR NOT BFR 12 CH PR i BITS 4 2 PR! RSI 56 l l l DLY 1 SET DLY 1 DELAY FIG. 14

BFR

FIG.

BCU DATA REQ BCU DATA REO SfGNALS DLY 3 SET 12 CH PHI 8 E N07 DLY 1 BFR 12 CH PR! B ITS NOT DLY 2 April 9, 1968 W. P. WISSICK ETAL PLURAL CHANNEL PRIORITY CONTROL Filed Jan. 13, 1967 2G Sheets-Sheet 10 FIG. 16 ecu RESPONSE (1 & 1 w Y 2 a 2 l 5 8| :1*5 F 4 12 CH PRi BITS 4 BCIJ RESPONSE SIGNALS 55 ECU RESP no MC- 855 M DLY 1 sn 1 a s M mum? O m m FIG. 17 CHAN REQUEST 4 5 2 1 i: an FULL L L CH REG AR 3 5 1 a 5 1M 59 SRC f 64 O R o R O 59 BR 45 NOT BFR B 5 a S i 7 14 DH 6 R 0 FIG. 18

GATE CH/CPU CH E/O CH/CPU OP 55 NOT CAB 20 f1 28 EM mm BUSY CH SEL EVEN H CH REG a. 27

28 NOT CYC mu LC 0 0 28 000 -01 BUSY a E H SH 00 55 CA8 20 5 N CPU UP 40 o GATE CH 1? 2 4 NOT GATE CH N 5 4a 22 N NOT CPU BLK s CH 0P 28 NOT NH R 0 42d W. P. Msmcm LIAL. 3,377,579

A ril 9, 1968 PLUHAL CHANNEL PRIOLUTY CONTROL 2O Sheets-Sheet l 2 Filed Jan. 13, 1967 T4lll 1 US 5 z :5 OZ Gm 2E cl Gm mo :0 IQ W56 P +6 ON w u A ri! 9 1968 Filed Jan. 13. 1967 Now (DCDCD men FIG.

51 NGLE CYC 5C STR I FTCH 1 I FTCH 2 w. P WISSICK ET'AL. 3,377,579

PLURAL CHANNEL PRIORITY CONTROL 20 Sheets-Sheet 15 CPU REQ

E FICH REG NUT SiNGLE CYC E 51R REG NOT ACC SCAN P-ACC RST FIG. 22

NOT DUP BAR 20 EVEN NOT BUSY SET CPU REQ as N L 1 s 1 CPU REG 22 CPU E/O CPU REQ CPU SEL EVEN 2? NOT CYC iNH NOT CPU 8 L K 1A PREF 5Y5 2 ODD NOT BUSY 0UP BAR 20 BCU RED EVEN CPU SEL ODD 2? CDA PR April 9, 1968 w. P. WISSICK ET AL 3,377,579

PLURAL CHANNEL PRIORITY CONTROL 2O Sheets-Sheet 15 Filed Jan. 13, 1967 :3 cum 22:3 222 29E 5: mo 55$ 362m 2:.T l

So 31 PS Eu Q3 1 0; 5: mo Em Q m m N w n v n N o Q U m cm; P3 3m :0: 10 gm 51 on; m

April 9, 1968 w P w ssgc ET AL 3,377,579

ILURAL CHANNEL PRIORITY CONTROL 2O Sheets-Sheet 17 Filed Jan. 13. 1967 2 $5 2 a a 2 2 2 2 2 2 2 2 m 4nEwF2 Dmo ro ON 3w m 22 ON 56 :3

April 9, 1968 w. P. WISSICK ET AL 3,377,579

PLURAL CHANNEL PRIORITY CONTROL Filed Jan. 13, 1967 20 Sheets-Sheet 18 FIG. SEL A/B-E/O CH-CPU 18 w 28 -01 CYC iNH I A 59 CR 8. {Q M 22 CPU SEL MN 8 1 [11 25 NOT UP SARS 2 A ME 18 CH SEL EVEN S 55 NOT CAB 0 FR 0 1a 859 22 scu REG EVEN a A 1A0 861 862 19 SEL 101 /6 -1BE STTOG 22 CPU SEL ODD 2 73 23 -01 DUP SARfi M a 18 ca SELODD a O S A 180 R O 55 -01 sass 14 1 ME 28 22 CPU su EVEN STEOL s4 23 DUP SAR 5 H 8 18E BCU 18 CH SEL EVEN a o S 180 O 55 CAB 5 R Ms :2 a 22 CPU an 000 4 [21 (MP SAR 5 k NOT NEG O SEL casnoma (mu u I CAB 5 H R O nus FIG :6 ONLY) 59 CR 

